For the price not too bad. Only he arrived incomplete, without mounting screws for the window block, and I must make an adjustment for it to be held there, because it tends to get out of its housing at the slightest shock (quite boring when- same). The bands around the head to hold the mask is difficult to adjust but with some tricks you get there ... But for the price it was not to complain; the bezel is very responsive and perfectly protects against harmful light from the arc ...